<template>
    <div>
        <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>

    <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格(元)" prop="goods_price" width="60px"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
            <el-table-column label="创建时间" prop="add_time" width="150px">
                <template slot-scope="scope">
                    {{scope.row.add_time | detaFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作"  width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="small" ></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="small" @click="removeById(scope.row.good_id)"></el-button>
                </template>
            </el-table-column>
            
        </el-table>

        <!-- 分页区域 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15,20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
        </el-pagination>
    </el-card>
    </div>
</template>
<script>
export default {
    data(){
        return{
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数据条数
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})

            if(res.meta.status !== 200){
            return this.$message.error('获取商品列表失败！')
            }
            this.$message.success('获取商品列表成功！') 
            console.log(res.data);
            // 保存获取到的数据
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).catch(err => err)

         if(confirmResult != 'confirm'){
            return this.$message.info('已经取消删除')
        }

        const {data:res} = await this.$http.delete(`goods/${id}`)
        if(res.meta.status !== 200){
            this.$message.error('删除失败！')
        }
        this.$message.success('删除成功！')
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }

       
        
    }    
}
</script>
<style scoped>

</style>